diff --git a/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/autoconfigure/ManagementServerProperties.java b/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/autoconfigure/ManagementServerProperties.java
index 06f91ce5a8..32fff7812b 100644
--- a/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/autoconfigure/ManagementServerProperties.java
+++ b/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/autoconfigure/ManagementServerProperties.java
@@ -115,12 +115,14 @@ public class ManagementServerProperties implements SecurityPrerequisite {
 	}
 
 	public void setContextPath(String contextPath) {
+		this.contextPath = cleanContextPath(contextPath);
+	}
+
+	private String cleanContextPath(String contextPath) {
 		if (StringUtils.hasText(contextPath) && contextPath.endsWith("/")) {
-			this.contextPath = contextPath.substring(0, contextPath.length() - 1);
-		}
-		else {
-			this.contextPath = contextPath;
+			return contextPath.substring(0, contextPath.length() - 1);
 		}
+		return contextPath;
 	}
 
 	public Security getSecurity() {
diff --git a/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/autoconfigure/MetricsFilter.java b/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/autoconfigure/MetricsFilter.java
index b49f25697f..a68f68f0fe 100644
--- a/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/autoconfigure/MetricsFilter.java
+++ b/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/autoconfigure/MetricsFilter.java
@@ -30,6 +30,7 @@ import org.springframework.boot.actuate.metrics.GaugeService;
 import org.springframework.core.Ordered;
 import org.springframework.core.annotation.Order;
 import org.springframework.http.HttpStatus;
+import org.springframework.http.HttpStatus.Series;
 import org.springframework.util.StopWatch;
 import org.springframework.web.filter.OncePerRequestFilter;
 import org.springframework.web.servlet.HandlerMapping;
@@ -96,10 +97,8 @@ final class MetricsFilter extends OncePerRequestFilter {
 		if (bestMatchingPattern != null) {
 			return fixSpecialCharacters(bestMatchingPattern.toString());
 		}
-		if (is4xxClientError(status)) {
-			return UNKNOWN_PATH_SUFFIX;
-		}
-		if (is3xxRedirection(status)) {
+		Series series = getSeries(status);
+		if (Series.CLIENT_ERROR.equals(series) || Series.REDIRECTION.equals(series)) {
 			return UNKNOWN_PATH_SUFFIX;
 		}
 		return path;
@@ -120,22 +119,14 @@ final class MetricsFilter extends OncePerRequestFilter {
 		return result;
 	}
 
-	private boolean is4xxClientError(int status) {
+	private Series getSeries(int status) {
 		try {
-			return HttpStatus.valueOf(status).is4xxClientError();
+			return HttpStatus.valueOf(status).series();
 		}
 		catch (Exception ex) {
-			return false;
+			return null;
 		}
-	}
 
-	private boolean is3xxRedirection(int status) {
-		try {
-			return HttpStatus.valueOf(status).is3xxRedirection();
-		}
-		catch (Exception ex) {
-			return false;
-		}
 	}
 
 	private String getKey(String string) {